1816 Federal Mansion, Carriage Museum (over 70 horse-drawn vehicles on display), Built for Gideon Granger, Postmaster General for Presidents Jefferson & Madison. Remarkable collection of horse drawn carriages; Open late May - late Oct. Sleigh rides Sunday. Jan.-Feb. MC & Visa. 19th Century Law Office, historic neighborhood carriage rides, sleigh rides, museum gift shop and special events throughout the year. Open June - October for Guided Tours 1-5pm. Closed Mondays.